In the teens and twenties, New York was home to a rich variety of literary subcultures. Within these intermingled worlds, gender lines and other boundaries were crossed in ways that were hardly imaginable in previous decades. Among the bohemians of Greenwich Village, the sophisticates of the Algonquin Round Table, and the literati of the Harlem Renaissance, certain women found fresh, powerful voices through which to speak and write. Enda St. Vincent...